The best place for scenic views of the DMZ and North Korea.

Home to more than 13,000 pieces of war memorabilia and military equipment.

A unique structure located on the grounds of one of five grand palaces that were built by the Joseon dynasty.

A chilling monument to Korean patriots who resisted the Japanese occupation.

Secret North Korean passage discovered below the world's most dangerous border.

Why walk on this historical site when you can zoom down instead?

The most famous location in China was home to whole dynasties worth of imperial rulers.

The mirrored section takes the shape of Hebrew characters when viewed from above.

This Dutch art piece became a Russian icon.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

Automatons that were once removed after one fell from the building.

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

King Carlos IV laid the first stone during construction of this chapel.

A window into a long-lost world, these colorful tiles advertise a long-defunct range of purgative teas, harmless smokables, and diarrhea cures.

Five million people are laid to rest here, more than the population of Madrid itself.

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

This enigmatic artifact is a rare depiction of an ancient Iberian noblewoman.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.